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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified | Total | Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | --- | ---
Balance as of beginning of period at Dec. 31, 2008 | $ 140,409 | $ 41,749 | $ 122 | $ 366,817 | $ (3,949) | $ (264,330)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Common stock issuance | 12,799 |  | 17 | 12,782 |  |
Granting and vesting of restricted stock | 118 |  | 0 | 118 |  |
Net income | 17,581 |  |  |  |  | 17,581
Dividends on preferred stock | (4,010) |  |  |  |  | (4,010)
Dividends on common stock | (12,154) |  |  |  |  | (12,154)
Other comprehensive loss | 14,010 |  |  |  | 14,010 |
Balance as of end of period at Dec. 31, 2009 | 168,753 | 41,749 | 139 | 379,717 | 10,061 | (262,913)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Common stock issuance | 117,070 |  | 122 | 116,948 |  |
Granting and vesting of restricted stock | 60 |  | 0 | 60 |  |
Conversion of preferred shares to common shares | 0 | (41,749) | 42 | 41,707 |  |
Capitalized expenses associated with stock issuances | (128) |  |  | (128) |  |
Cumulative effect of adoption of new accounting principle | 12 |  |  |  |  | 12
Net income | 29,472 |  |  |  |  | 29,472
Dividends on preferred stock | (3,061) |  |  |  |  | (3,061)
Dividends on common stock | (19,817) |  |  |  |  | (19,817)
Other comprehensive loss | (4) |  |  |  | (4) |
Balance as of end of period at Dec. 31, 2010 | 292,357 | 0 | 303 | 538,304 | 10,057 | (256,307)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Common stock issuance | 95,424 |  | 97 | 95,327 |  |
Granting and vesting of restricted stock | 1,198 |  | 4 | 1,194 |  |
Capitalized expenses associated with stock issuances | (142) |  |  | (142) |  |
Net income | 39,812 |  |  |  |  | 39,812
Dividends on preferred stock | 0 |  |  |  |  |
Dividends on common stock | (43,988) |  |  |  |  | (43,988)
Other comprehensive loss | (13,312) |  |  |  | (13,312) |
Balance as of end of period at Dec. 31, 2011 | $ 371,349 | $ 0 | $ 404 | $ 634,683 | $ (3,255) | $ (260,483)

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